If you visit a eligible YouTube channel then it will show you option to follow creator in address bar.
You can try it by visiting any popular YT channel.
Click on the "+" button in address bar to follow the YouTuber. It will show details like number of subscriber count and total posts to you.
After you have followed a number of YouTube channels; you can find them in Edge Collections. There is a "Following" tab where you will see the new videos.